Investigators

The five MD Nephrologists serving as principal investigators have combined research experience of over 50 years. All our investigators are double board-certified in Internal Medicine and Nephrology, and speciality certified in areas including hypertension, organ transplant, vascular intervention, and diagnostic interpretation.  Several of the PI's boast the title of Certified Clinical Research Professionals (CCRP) through the Society of Clinical Research Associates (SoCRA) as well.

James A. Tumlin, MD, CCRP

Dr. James Tumlin is founder and medical director of Southeast Renal Research Institute (SERRI) since 2005. The institute was brought to Chattanooga in 2008 and merged with Nephrology Associates' Research Department. He has been involved in research for over 15 years. Read More...

Claude M. Galphin, MD, CPI, CCRP

Dr. Claude Galphin is a principal investigator for Southeast Renal Research Institute and has been conducting research for over 15 years. Read More...

Mandeep S. Grewal, MD

Dr. Mandeep Grewal is a principal investigator for Southeast Renal Research Institute and has been involved in clinical research for over 25 years.Read More...

Donald B. Franklin, Jr., MD

Dr. Donald Franklin is a principal investigator for Southeast Renal Research Instistute.  He earned his medical degree at the Medical College of Georgia, Augusta, GA, completed his internal medicine and residency at University of Tennessee, Chattanooga. Read More...

Christopher V. Poole, MD

Dr. Christopher Poole is a principal intestigator for Southeast Renal Research Instistute.  He earned his medical degree at the University Of South Alabama College Of Medicine. Read More...